Cheap flights from Washington, D.C. to Perth from $778

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cathay Pacific Logo
8:40 am - 10:55 pmDCA-PER
49h 15m2 stops
Cathay Pacific Logo
12:25 am - 3:55 pmPER-DCA
52h 30m2 stops
$1,425Cathay Pacific
Find Deal
Tue, Nov 11 - Mon, Nov 17
Multiple Airlines Logo
2:30 pm - 4:30 amIAD-PER
50h 00m2 stops
Multiple Airlines Logo
5:15 am - 7:20 pmPER-IAD
51h 05m2 stops
$1,433Multiple Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 14
Qantas Airways Logo
3:41 pm - 11:15 amBWI-PER
54h 34m2 stops
Qantas Airways Logo
10:45 pm - 10:24 pmPER-BWI
35h 39m2 stops
$1,749Qantas Airways
Find Deal
Fri, Feb 6 - Sun, Mar 15
Qantas Airways Logo
3:23 pm - 12:25 pmBWI-PER
32h 02m2 stops
Qantas Airways Logo
5:00 am - 6:17 pmPER-BWI
26h 17m2 stops
$1,760Qantas Airways
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Wed, Nov 5 - Fri, Nov 21
Singapore Airlines Logo
7:07 am - 12:35 pmBWI-PER
40h 28m3 stops
Singapore Airlines Logo
1:50 pm - 6:07 pmPER-BWI
41h 17m2 stops
$1,964Singapore Airlines
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Tue, Nov 11 - Tue, Nov 18
Air New Zealand Logo
7:07 am - 10:20 pmBWI-PER
50h 13m2 stops
Air New Zealand Logo
10:45 pm - 6:07 pmPER-BWI
32h 22m2 stops
$1,967Air New Zealand
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Tue, Nov 11 - Tue, Nov 18
Singapore Airlines Logo
6:57 pm - 12:35 pmBWI-PER
52h 38m3 stops
Singapore Airlines Logo
5:05 pm - 6:07 pmPER-BWI
62h 02m2 stops
$1,982Singapore Airlines
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Mon, Nov 10 - Mon, Nov 17
Qatar Airways Logo
8:05 pm - 11:55 amIAD-PER
26h 50m1 stop
Qatar Airways Logo
10:45 pm - 3:55 pmPER-IAD
30h 10m1 stop
$2,125Qatar Airways
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Mon, Nov 10 - Mon, Nov 17
Qatar Airways Logo
8:05 pm - 11:55 amIAD-PER
26h 50m1 stop
Qatar Airways Logo
10:45 pm - 3:55 pmPER-IAD
30h 10m1 stop
$2,136Qatar Airways
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Wed, Nov 5 - Fri, Nov 21
Air New Zealand Logo
6:59 pm - 9:00 pmIAD-PER
37h 01m2 stops
Air New Zealand Logo
6:50 pm - 12:56 amPER-IAD
43h 06m2 stops
$2,250Air New Zealand
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Wed, Nov 12 - Sat, Dec 13

Singapore Airlines flights from Washington, D.C. to Perth

Our best Singapore Airlines deals on Washington, D.C. to Perth flight tickets
Singapore Airlines
Nov 11
BWI7:07 amBaltimore/Washington
40h 28m
3 stops
PER12:35 pmPerth
Nov 18
PER1:50 pmPerth
41h 17m
2 stops
BWI6:07 pmBaltimore/Washington
Singapore Airlines
Nov 10
BWI6:57 pmBaltimore/Washington
52h 38m
3 stops
PER12:35 pmPerth
Nov 17
PER5:05 pmPerth
62h 02m
2 stops
BWI6:07 pmBaltimore/Washington
Singapore Airlines
Nov 11
BWI7:07 amBaltimore/Washington
42h 38m
2 stops
PER2:45 pmPerth
Nov 18
PER6:40 amPerth
48h 27m
2 stops
BWI6:07 pmBaltimore/Washington

Air New Zealand flights from Washington, D.C. to Perth

Our best Air New Zealand deals on Washington, D.C. to Perth flight tickets
Air New Zealand
Nov 11
BWI7:07 amBaltimore/Washington
50h 13m
2 stops
PER10:20 pmPerth
Nov 18
PER10:45 pmPerth
32h 22m
2 stops
BWI6:07 pmBaltimore/Washington
Air New Zealand
Nov 12
IAD6:59 pmWashington, D.C. Dulles Intl
37h 01m
2 stops
PER9:00 pmPerth
Dec 13
PER6:50 pmPerth
43h 06m
2 stops
IAD12:56 amWashington, D.C. Dulles Intl
Air New Zealand
Nov 17
BWI7:07 amBaltimore/Washington
44h 43m
2 stops
PER4:50 pmPerth
Jan 12
PER10:45 pmPerth
35h 41m
2 stops
BWI9:26 pmBaltimore/Washington

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 11/11

8:40 am-10:55 pm

2 stops49h 15m

Perth

Mon 11/17

12:25 am-3:55 pm

2 stops52h 30m

$1,425

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/1

2:30 pm-4:30 am

2 stops50h 00m

Perth

Fri 11/14

5:15 am-7:20 pm

2 stops51h 05m

$1,433

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 2/6

3:41 pm-11:15 am

2 stops54h 34m

Perth

Sun 3/15

10:45 pm-10:24 pm

2 stops35h 39m

$1,749

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 11/5

3:23 pm-12:25 pm

2 stops32h 02m

Perth

Fri 11/21

5:00 am-6:17 pm

2 stops26h 17m

$1,760

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 11/11

7:07 am-12:35 pm

3 stops40h 28m

Perth

Tue 11/18

1:50 pm-6:07 pm

2 stops41h 17m

$1,964

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 11/11

7:07 am-10:20 pm

2 stops50h 13m

Perth

Tue 11/18

10:45 pm-6:07 pm

2 stops32h 22m

$1,967

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 11/10

6:57 pm-12:35 pm

3 stops52h 38m

Perth

Mon 11/17

5:05 pm-6:07 pm

2 stops62h 02m

$1,982

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 11/10

8:05 pm-11:55 am

1 stop26h 50m

Perth

Mon 11/17

10:45 pm-3:55 pm

1 stop30h 10m

$2,125

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 11/5

8:05 pm-11:55 am

1 stop26h 50m

Perth

Fri 11/21

10:45 pm-3:55 pm

1 stop30h 10m

$2,136

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 11/12

6:59 pm-9:00 pm

2 stops37h 01m

Perth

Sat 12/13

6:50 pm-12:56 am

2 stops43h 06m

$2,250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Perth?

In general, February is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,104. If you are unable to visit Perth during the month of February, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $1,212.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Perth when you can find flight prices for as low as $1,863. Flying to Perth in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Direct flights

None
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.
  • How far is Washington, D.C. to Perth by plane?

    The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 26h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

    Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

  • How old do you have to be to fly from Washington, D.C. to Perth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. to Perth?

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,097Free CancellationRating
7.5
920 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,647 reviews
Search Qatar Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Rottnest Island
Fremantle
Scarborough
Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.

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1 adult
Thu 11/13
Thu 11/20

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